Automatic weighing-machine.



No. 692,609. Patented Feb. 4, I902.

w. BRUUGH.

AUTOMATIC WEIGHING MACHINE.

(Application filed May 1, 1901.)

(No Model.) 2 Sheets-Sheet I. I

w INVENTOH WITNESSES a flaw Z2 A TTOHNEYS NORRIS PETERS ca.momurnojwAsmrlcTnn, o. {:L

No. 692,609. Patented Feb. 4, I902. W. BROUGH.

AUTOMATIC WEIGHING MACHINE.

(Application filed May 1, 1901.\ (No Model.) 9 2 Sheets-Sheet 2.

W/TNESSES: 3 //v VENTOH pa. 0. w WEI/2&7?! .Zfiozgh W M ATTORNEYS UNITEDSTATES PATENT OFFICE,

WILLIAM BROUGII, OFBALTIMQRE, MARYLAND.

AUTOMATIC WEIGHlNG-MACHINE.

SPECIFICATION forming part of Letters Patent o. 692,609, dated February4, 1902.

Application filed May 1,1901. Serial No. 58,258. (No model.)

To all'whom it may concern.-

Be it known that. I, WILLIAM BRQUGH, a citizen of the United States,residing in Baltimore, in the State of Maryland, have made certain newand useful Improvements in Automatic \Veighing-Machines, of which thefollowing is a specification.

My invention is an improvement upon that forming the subject of myapplication for Letters Patent,.Serial No. 24,400, filed July2l, 1900,and for which aipatent was issued April 30, 1901.

The present apparatus is particularly adapted for measuring liquids, butmay also beused for pulverulent substances with some slightmodifications. The details of construction, arrangement, and operationare as hereinafter described, reference being had to the accompanyingdrawings, in which Figure 1 is a side elevation of my improvedapparatus, a portion of the tiltable hopper being broken away. Fig. 2 isan end elevation of the apparatus, a supply-pipe being shown in section.Fig. 3 is a detail perspective view of the discharge cock or faucet ofthe tank or reservoir employed in connection with the tiltable hopper.--Fig. at is a perspective View of the hopper. Fig. 5 is a verticalsection of the supply tank or reservoir. Fig. 6 is a plan View of themain portion of the supports or holders for the funnels.

tion and combination of parts of such a holder or support.

The hopper A is pivoted at the middle of its length between the verticalforks or lugs of a standard B, having a suitable fiat base. The head I)of said standard is horizontal and provided with two elastic buffers 0,upon which the hopper A strikes each time it is tilted or vibrated. Thesaid hopper is pro vided with a horizontal partition 0.2, (see Fig. 4,)whereby it is divided into two equal compartments. I preferablyconstruct the hopper of sheet metal. In the course of experiments inmeasuring liquids I havefound it necessary to provide the hopper withhoods 0,,- extending far back from the ends, so as to cover a largeportion of thecompartments into which the liquid is received, whereby,

the liquid being measured is prevented from splashing out as it movessuddenly toward Figs. 7 and 8 are views showing details of construconeend of the hopper when the latter is tilted. I have also found that itis indispensable to provide the hopper with discharge spouts or nozzles0.,extending downward for a considerable length, so that the liquidshall be delivered into the funnels in such manner as to prevent itspattering or splashing out of the funnels. In brief, with the provisionof the hoods (t and spouts a the hopper is perfectly adapted to measureliquids of the lowest specific gravity without waste.

The sp'outs or nozzles a are arranged at an obtuse angle to thelongitudinal axis of the hopper and provided with discharge-orificeswhich have the same or nearly the same width as the body of the hopper,but are very narrow in the direction of the length of the latter, sincethis'construction has been demonstrated to be the best to meet allrequirements as to rapidity of flow or discharge with- 9 lt Waste of theliquids. A vertical rod H is attached to one side of the hopper at itsmiddle and carries an adjustable weight G. Alongside the rod H isarranged a graduated bar I.

" A horizontal graduated bar H is arranged on the side of the hopper,and a weight G is adapted to slide thereon. It is apparent that byadjustment of the weights the hopper may be balanced or set forreceiving any desired weight or quantity of a liquid or other commodityto be weighed in measure and that by adjusting the weight G upward onrod H the leverage of the hopper A is increased and by adjusting itdownward the leverage is lessened correspondingly, so as to weigh largeror smaller quantities.

F indicates two tunnels, which are supported in the rings 12 of avertically-adjustable bar b the same being provided with a clampscrew1), whereby the funnels may be set higher or lower on the standard B, asconditions require: The shanks of the rings 19 are adjustable in socketsof'the bar so that the distance between the funnels may be increased ordiminished, as required.

In order that bottles may be conveniently set on the platform B beneaththe bottles,

with the nozzles f of the latter projecting into their necks, and thatthey may be removed with' equal facility, I adapt the ring holders b torotate sufficiently to allow the funnels to be tilted at a slightangle,as shown in Fig. 2. To permit this movement, the shanks of therings 19 (see Fig. 8) are provided with one or more circumferentialgrooves b to receive the point of a clamp -screw b whereby thelongitudinal movement or detachment of the ring-shanks from sockets b isprevented without interfering with the rotation of the rings necessaryto allow due tilt of the funnels f. \Vhen the nozzlesf are inserted inbottles, as shown in Fig. 1, the bottles hold the funnels vertical. Whenthe bottles are removed, the tunnels swing or tilt, as shown in Fig. 2,and remain in that position until restored to the vertical byapplication of another bottle. This is insured by weighting the rearside of the rings 6 and this is practically accomplished by making therings b eccentric to their shanks, as shown in Fig. 6. This eccentricityserves also to bring the funnels into due vertical relation to thehopper, as required for discharge of its contents into the center of thefunnels.

In order to limit the rotary movement of the funnels, I provide stops,as illustrated in Figs. 6 and 7. The outer ends of the sockets b areprovided with a lug I), (see Fig. 7,) and the adjacent ends of thering-shanks are provided with a collarb having two lugs b. As shown inFig. 6, the lug b lies and has a certain play between the lugs b. It isobvious this play will determine the limits of the tilting movement ofthe funnels. The funnels F are secured detachably in the ring supportsZ7 and duly supported in vertical position by means of spring-olaspsf.The latter are formed of spring material, preferably a spring-plate,which is riveted to the sides of the funnel, the lower ends being curvedoutward and then inward, so as to form practically an S shape, wherebythey are adapted to engage the rings 12 when the funnels are forced downand lock the funnels in place and at the same time permit them to bereadily disengaged when occasion may require.

As shown in Fig. 2, the buffers C consist of thick pieces of rubberarranged transversely on the standard-head b and their outer portionsbeing supported slightly raised by means of small blocks 5 By thisarrangement the free ends of the bufiers 0 receive the impact of thehopper A when tilted,and thereby lessen the shock and noise which wouldother wise result.

The liquid to be weighed and measured is received from a suitable sourceof supply into a tank or reservoir E through the medium of aconducting-pipe (2, having a cook or faucet e. The said tank E issupported upon a bracket or by other suitable fixture and provided witha discharge cook or faucet D, whose nozzle is directly over the hopper Aand in vertical alinement with the standard B. A float J is arranged inthe tank E and provided with an elbow-lever j, which operates a plug orvalve K, which is adapted to seat and slide in the pipe 6. It isapparent that by means of this apparatus the liquid in tank E may bekept at a uniform height, since the float J will so regulate the valve Kas to admit only a certain quantity to the tank. By maintaining suchuniformity of level of the liquid in the tank I insure uniformity ofpressure and discharge of the same by the faucet D. To further regulatethe discharge as conditions may require, I provide a movable stop forthe faucet valve orplug d, as shown best in Fig. 3 that is to say, theplug (1 is provided with a lateral pin 61, and the box (1 of the faucetis provided in its upper edge with a series of holes (1 which areadapted to receive a stoppin d. By setting the said pin (1 in one or theother of the holes d it is apparent that the rotation of the plug 61 maybe limited and that thereby the size of the aperture through which theliquid flows past the plug may be regulated as required. The pin (1 maybe quickly removed from a hole d and set in another one as required toallowfgreater or less rotation of the plug (1.

It is to be understood that bottles or other form of receptacles are tobe set under the funnels f prior to the tilting of the hopper A to oneside or the other, that the faucets d and a being opened the liquid willdischarge at a uniform rate into the COIDpEtIl'r ments of the hopper Aalternately, and that the latter will discharge alternately into onefunnel or the other. As shown in Fig. 2, the nozzles a have the samewidth as the body of the hopper, so that although the orifice is narrowit has such width that the discharge is rapid. It is further apparentthat the funnelsf may be adjusted higher or lower, so that the nozzles awilldip into them to a greater or less depth. This adjustment has someimportance in view of the difference of liquids in consistency. In anycase the nozzles a are to be made considerably narrower than the upperportions of the funnels, so that there will be no danger of the liquidspatter-ing out of the funnels, and thus being wasted or falling uponsurrounding objects.

hat I claim is- 1. The improved automatic liquid-weighing apparatus,comprising the fixed tank E,

and its valve and float for maintaining a uniform height of liquid inthe tank, a dischargecock, and the tiltable hopper, arranged centrallyin relation to said cock, and provided with hoods and discharge-spoutsarranged and projecting downward, as shown and described.

2. In a liquid-weighing apparatus, the hopper supported centrally onhorizontal pivots and having its ends provided with theinwardly-inclined hoods a, and the dischargespouts to, Which extenddownward at an obtuse angle to the fiat bottom of the hopper and areprovided with narrow discharge-openings, substantially as shown anddescribed.

3. In a liquid-weighing apparatus, the tiltable hopper having its endsprovided with covers or hoods a, and discharge-spouts which extenddownward and have nearly the same width as the body of the hopper andare very narrow in the direction of the length of the supported at itsfree ends to operate as and forthepurpose described. 7

5. In an apparatus of the class described,

the combination, with ring supports, of fun-f nel's having spring-claspsadapted. to'engage said supports, substantially as shown and;

described.

6. In an" apparatus of the class described,:

the combination, with ringsnpports, of funnels having spring-clasp'sattached to their; sides and having an S-shaped curve whereby} they areadapted to engage the said supports? de'tachably, substantially as shownand described;

7. .In an apparatus of the class described, the combination with asupport of a funnelholder adapted to rotate horizontally and weighted onone side whereby it is adapted to normally. maintain an inclinedposition as shown and described.

8. In an apparatus of the class described,

the combinationwith a supporting-bar hav-c ing a socket, of a holder fora funnel, having a shank provided with a circumferential groove, and asecuring device which enters said groove as shown and described.

9. In an apparatus of the class described, the combination with asupport of a funnelholder adapted to rotate on its axis, and a stop forlimiting its movement as and for the purpose specified.

10. In an apparatus of the class described,

the combination with a supporting-bar having a socket and a lug asspecified, of a funnel-holder whose shank is provided with two lugs orshoulders between which the single lug projects and is adapted to playas shown and described.

. WILLIAM BROUGH. Witnesses:

AMos YV HART, Jos. A. RYAN.

